Add a simple ICMPv6 filter test for IPv6 raw sockets: determine that
the default ICMPv6 filter is pass all, test that we can set it to block all and restore to pass all. No attempt is made to test that the filtering works, just that we can get and set it.
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8969dfea49
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=180966
9
tools/regression/netinet6/icmp6_filter/Makefile
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9
tools/regression/netinet6/icmp6_filter/Makefile
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#
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# $FreeBSD$
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#
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PROG= icmp6_filter
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NO_MAN=
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WARNS?= 2
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.include <bsd.prog.mk>
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132
tools/regression/netinet6/icmp6_filter/icmp6_filter.c
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132
tools/regression/netinet6/icmp6_filter/icmp6_filter.c
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/*-
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* Copyright (c) 2008 Robert N. M. Watson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* This regression test creates a raw IPv6 socket and confirms that it can
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* set and get filters on the socket. No attempt is made to validate that
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* the filter is implemented, just that it can be properly retrieved, set,
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* etc.
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/icmp6.h>
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#include <err.h>
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#include <string.h>
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#include <unistd.h>
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/*
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* Reference filters to set/test.
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*/
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static struct icmp6_filter ic6f_passall;
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static struct icmp6_filter ic6f_blockall;
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int
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main(int argc, char *argv[])
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{
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struct icmp6_filter ic6f;
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socklen_t len;
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int s;
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ICMP6_FILTER_SETPASSALL(&ic6f_passall);
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ICMP6_FILTER_SETBLOCKALL(&ic6f_blockall);
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s = socket(PF_INET6, SOCK_RAW, 0);
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if (s < 0)
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err(-1, "socket(PF_INET6, SOCK_RAW, 0)");
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/*
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* Confirm that we can read before the first set, and that the
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* default is to pass all ICMP.
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*/
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len = sizeof(ic6f);
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if (getsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, &len) < 0)
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err(-1, "1: getsockopt(ICMP6_FILTER)");
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if (memcmp(&ic6f, &ic6f_passall, sizeof(ic6f)) != 0)
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errx(-1, "1: getsockopt(ICMP6_FILTER) - default not passall");
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/*
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* Confirm that we can write a pass all filter to the socket.
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*/
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len = sizeof(ic6f);
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ICMP6_FILTER_SETPASSALL(&ic6f);
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if (setsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, len) < 0)
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err(-1, "2: setsockopt(ICMP6_FILTER, PASSALL)");
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/*
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* Confirm that we can still read a pass all filter.
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*/
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len = sizeof(ic6f);
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if (getsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, &len) < 0)
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err(-1, "3: getsockopt(ICMP6_FILTER)");
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if (memcmp(&ic6f, &ic6f_passall, sizeof(ic6f)) != 0)
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errx(-1, "3: getsockopt(ICMP6_FILTER) - not passall");
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/*
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* Confirm that we can write a block all filter to the socket.
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*/
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len = sizeof(ic6f);
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ICMP6_FILTER_SETBLOCKALL(&ic6f);
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if (setsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, len) < 0)
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err(-1, "4: setsockopt(ICMP6_FILTER, BLOCKALL)");
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/*
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* Confirm that we can read back a block all filter.
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*/
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len = sizeof(ic6f);
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if (getsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, &len) < 0)
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err(-1, "5: getsockopt(ICMP6_FILTER)");
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if (memcmp(&ic6f, &ic6f_blockall, sizeof(ic6f)) != 0)
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errx(-1, "5: getsockopt(ICMP6_FILTER) - not blockall");
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/*
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* For completeness, confirm that we can reset to the default.
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*/
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len = sizeof(ic6f);
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ICMP6_FILTER_SETPASSALL(&ic6f);
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if (setsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, len) < 0)
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err(-1, "6: setsockopt(ICMP6_FILTER, PASSALL)");
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/*
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* ... And that we can read back the pass all rule again.
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*/
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/*
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* Confirm that we can still read a pass all filter.
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*/
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len = sizeof(ic6f);
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if (getsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, &len) < 0)
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err(-1, "7: getsockopt(ICMP6_FILTER)");
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if (memcmp(&ic6f, &ic6f_passall, sizeof(ic6f)) != 0)
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errx(-1, "7: getsockopt(ICMP6_FILTER) - not passall");
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close(s);
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return (0);
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}
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